Re: Should I Learn Python or Ruby next?
On Tue, Jun 22, 2010 at 4:58 AM, Josef Tupag wrote: > I've been programming (when I do program) mainly in Perl for the last 10 > years or so. But I've been itching to learn a new language for a while now, > and the two near the top of the list are Ruby and Python. If you have the time give both a try. Start with Python, of course ;-). I've been programming Python as my primary language for the past 4 years after having done Perl and PHP professionally. Python is a lot of fun, the language is very clean and clear and it's got a great standard library. From my dabbling in Ruby I can say that I'm not too keen on the syntax of the language or some of the semantics, it just feel sloppy (but certainly less sloppy than PHP). Both languages are very functional and you can do the same tasks in either one so I think it comes down, mostly, to syntax and semantics. -- Michael E. Crute http://mike.crute.org It is a mistake to think you can solve any major problem just with potatoes. --Douglas Adams -- http://mail.python.org/mailman/listinfo/python-list
Re: What module to parse/generate ical files?
On Mon, Jun 21, 2010 at 1:50 PM, Grant Edwards wrote: > What module is recommended for parsing/generating ical files? > > However, I'm not sure it's being maintained. Despite the claim on the > above page that the current version is 2.1, The latest version I can > find is v1.2 from 2006. I've had pretty good luck with iCalendar, I'm currently using it to bridge Outlook Web Access to iCal for old versions of Exchange and it works flawlessly. -- Michael E. Crute http://mike.crute.org It is a mistake to think you can solve any major problem just with potatoes. --Douglas Adams -- http://mail.python.org/mailman/listinfo/python-list
Standard Library SSL Module (was: Python OpenSSL library)
On Mon, Jun 14, 2010 at 1:25 PM, Antoine Pitrou wrote: > That was not my question. My question was whether there was a reason to > rewrite a separate OpenSSL-accessing library rather than contributing to > improve the "hashlib" and "ssl" modules which are already part of the > Python stdlib. The ssl module in the standard library is currently just SSL wrappers around sock objects while M2Crypto, PyCrypto and Evpy are all a more complete implementation of the other cryptography and signing features in OpenSSL. I think it would be really awesome to have a complete OpenSSL wrapper in the Python standard library since crypto in Python is somewhat of a pain today. If I wanted to work on something like that what would be the best approach? Extend the ssl package? Create a new crypto package? -- Michael E. Crute http://mike.crute.org It is a mistake to think you can solve any major problem just with potatoes. --Douglas Adams -- http://mail.python.org/mailman/listinfo/python-list
Re: Python OpenSSL library
On Sun, Jun 13, 2010 at 5:59 PM, astral wrote: >> You might want to take a look at m2crypto[0]. While I have not >> personally run it on Windows (runs great on OS X and Linux) they do >> provide pre-compiled Windows binaries. > > which one is for windows, for Python version 2.5.4 ? And how to uninstall > when required? I don't use windows so I can't help you with Windows specific questions. The windows downloads are clearly marked for python 2.4, 2.5 and 2.6. Go back and read the entire page. -- Michael E. Crute http://mike.crute.org It is a mistake to think you can solve any major problem just with potatoes. --Douglas Adams -- http://mail.python.org/mailman/listinfo/python-list
Re: Python OpenSSL library
On Sun, Jun 13, 2010 at 4:29 PM, astral wrote: > I am looking for Python OpenSSL library, for Python version 2.5.4 (on > Windows) > Which does not require to install Cygwin package. Need just to decrypt file, > then uninstall library. You might want to take a look at m2crypto[0]. While I have not personally run it on Windows (runs great on OS X and Linux) they do provide pre-compiled Windows binaries. [0] http://chandlerproject.org/bin/view/Projects/MeTooCrypto -- Michael E. Crute http://mike.crute.org It is a mistake to think you can solve any major problem just with potatoes. --Douglas Adams -- http://mail.python.org/mailman/listinfo/python-list
Re: pythonic ssh
On Mon, May 17, 2010 at 9:37 AM, John Maclean wrote: > pyssh, pexpect, paramiko or creating your your own sockets. what do you use > to pythonically ssh to boxes? I think the answer to this depends on your goals. Paramiko is the best way to go if you want a pythonic API to ssh but you also will introduce a dependency on paramiko and a transitive dependency on pycrypto (which requires openssl). I personally prefer to just use subprocess with the ssh binary for most of my scripts because it doesn't introduce any extra dependencies and is relatively easy to implement. pyssh tries to wrap up the common ssh patterns using os.popen but it hasn't been maintained in several years so your best bet is probably to stick with using subprocess if you don't go with paramiko. -- Michael E. Crute http://mike.crute.org It is a mistake to think you can solve any major problem just with potatoes. --Douglas Adams -- http://mail.python.org/mailman/listinfo/python-list
Re: Two questions ( Oracle and modules )
On Mon, Dec 7, 2009 at 6:57 AM, Gabor Urban wrote: > 1. I have choice to introduce Python to my new employee. We are to > write and application that uses databases stored partially in Oracle > 10 and partially in Oracle 11. We have to execute standard SQL > commands and stored procedures as well. Which is best conection / > module to use. A couple of years ago we had DCOracle2 for the same > task, but is written for Oracle8, so I gues it might not be a good > idea to use. What is your oppinion? cx_Oracle is the best way to connect to Oracle databases, DCOracle2 hasn't been maintained in some time. http://cx-oracle.sourceforge.net/ -mike -- Michael E. Crute http://mike.crute.org It is a mistake to think you can solve any major problem just with potatoes. --Douglas Adams -- http://mail.python.org/mailman/listinfo/python-list
Re: Code in __init__.py, is it bad form?
On Mon, Feb 23, 2009 at 9:41 PM, Benjamin Peterson wrote: > Michael Crute gmail.com> writes: >> On Mon, Feb 23, 2009 at 9:03 PM, Steve Holden holdenweb.com> >> wrote: >> > No, it's absolutely fine. One common usage is to import symbols from >> > sub-modules so that they are available from a simple import of the package. >> >> Yeah, I use it often for that I'm talking more about stuff like >> utility functions, main methods, etc... > > There's no overarching Python doctrine forbidding you to do it. It has simply > become a matter of taste. Personally, I tend to put utility functions in their > own module (eg. util), but I do use __init__ for main methods and such. Okay, so assuming I have decent judgment it sounds like I'm not doing anything patently wrong. Thanks for the input. -mike -- Michael E. Crute http://mike.crute.org God put me on this earth to accomplish a certain number of things. Right now I am so far behind that I will never die. --Bill Watterson -- http://mail.python.org/mailman/listinfo/python-list
Re: Code in __init__.py, is it bad form?
On Mon, Feb 23, 2009 at 9:03 PM, Steve Holden wrote: > Michael Crute wrote: >> Is it bad form (i.e. non-pythonic) to have code in your __init__.py >> files? I know this is subjective so I'm just looking for the general >> consensus. I've heard both sides of the story and I personally feel >> its okay if the code pertains to the whole module but have an open >> mind about the matter. If you object to code in __init__.py why, and >> what alternatives do you propose? >> > No, it's absolutely fine. One common usage is to import symbols from > sub-modules so that they are available from a simple import of the package. Yeah, I use it often for that I'm talking more about stuff like utility functions, main methods, etc... -mike -- Michael E. Crute http://mike.crute.org God put me on this earth to accomplish a certain number of things. Right now I am so far behind that I will never die. --Bill Watterson -- http://mail.python.org/mailman/listinfo/python-list
Code in __init__.py, is it bad form?
Is it bad form (i.e. non-pythonic) to have code in your __init__.py files? I know this is subjective so I'm just looking for the general consensus. I've heard both sides of the story and I personally feel its okay if the code pertains to the whole module but have an open mind about the matter. If you object to code in __init__.py why, and what alternatives do you propose? -- Michael E. Crute http://mike.crute.org God put me on this earth to accomplish a certain number of things. Right now I am so far behind that I will never die. --Bill Watterson -- http://mail.python.org/mailman/listinfo/python-list
Re: Importing Version Specific Modules
On Thu, Dec 4, 2008 at 7:33 PM, <[EMAIL PROTECTED]> wrote: >Michael> try: >Michael> from string import Template >Michael> except ImportError: >Michael> from our.compat.string import Template > > This is "easier to ask forgiveness than permission" (EAFP). This tends to > be more Pythonic (and thus, preferred). You don't *really* care what the > version just, but whether or not the string module has a Template object. > Besides, what if some bright admin at some customer decides to backport the > Template implementation to their 2.4 installation? The first form would > load your compatibility version, probably not what they were hoping when > they put in the effort to backport. That was the kind of reasoning I'm looking for. I'll stick with the pythonic try/except approach then. -mike -- Michael E. Crute http://mike.crute.org God put me on this earth to accomplish a certain number of things. Right now I am so far behind that I will never die. --Bill Watterson -- http://mail.python.org/mailman/listinfo/python-list
Importing Version Specific Modules
Which method makes the most sense for importing a module in python that is version specific? My use case is that I'm writing code that will be deployed into a python 2.3 environment and in a few months be upgraded to python 2.5. This: if sys.version_info[:2] >= (2, 5): from string import Template else: from our.compat.string import Template or this try: from string import Template except ImportError: from our.compat.string import Template I know that either case is equally correct and works correctly but which one is preferable? -- Michael E. Crute http://mike.crute.org God put me on this earth to accomplish a certain number of things. Right now I am so far behind that I will never die. --Bill Watterson -- http://mail.python.org/mailman/listinfo/python-list
Re: 'new' module deprecation in python2.6
On Sat, Nov 29, 2008 at 11:52 AM, David Pratt <[EMAIL PROTECTED]> wrote: > Can someone tell me why 'new' has been deprecated in python 2.6 and provide > direction for code that uses new for the future. > I find new is invaluable for some forms of automation. I don't see a > replacement for python 3 either. Many thanks. You might want to take a look at PEP 3108[1] which says: new * Just a rebinding of names from the 'types' module. * Can also call type built-in to get most types easily. * Docstring states the module is no longer useful as of revision 27241 (2002-06-15). [1] http://www.python.org/dev/peps/pep-3108/ -mike -- Michael E. Crute http://mike.crute.org God put me on this earth to accomplish a certain number of things. Right now I am so far behind that I will never die. --Bill Watterson -- http://mail.python.org/mailman/listinfo/python-list
Re: Web programming in Python.
On Sun, Sep 28, 2008 at 6:39 PM, Kurda Yon <[EMAIL PROTECTED]> wrote: > I am totaly newbie in the Python's web programming. So, I dont even > know the basic conceptions (but I have ideas about php-web- > programming). Does it work in a similar way? First, I have to install > a Python-server? There are a couple of different ways to do web development in python. The easiest if you're familiar with web development in other languages is through CGI. I would recommend reading up on the python cgi module [1] which will walk you through the basics of writing your first cgi program. When you're comfortable with basic cgi you might want to look into a framework like Django or CherryPy. -mike [1] http://docs.python.org/lib/module-cgi.html -- Michael E. Crute http://mike.crute.org God put me on this earth to accomplish a certain number of things. Right now I am so far behind that I will never die. --Bill Watterson -- http://mail.python.org/mailman/listinfo/python-list
Re: check if file is MS Word or PDF file
On Sat, Sep 27, 2008 at 7:01 PM, Chris Rebert <[EMAIL PROTECTED]> wrote: > Looking at the docs for the mimetypes module, it just guesses based on > the filename (and extension), not the actual contents of the file, so > it doesn't really help the OP, who wants to make sure their program > isn't misled by an inaccurate extension. One other way to detect a pdf is to just read the first 4 bytes from the file. Valid pdf files start with "%PDF-". Something similar can be done with Word docs but I don't know what the magic bytes are. This approach is pretty similar to what the file command does but is probably a better approach if you have to support multiple platforms. -mike -- Michael E. Crute http://mike.crute.org God put me on this earth to accomplish a certain number of things. Right now I am so far behind that I will never die. --Bill Watterson -- http://mail.python.org/mailman/listinfo/python-list
Re: check if file is MS Word or PDF file
On Sat, Sep 27, 2008 at 5:43 PM, A. Joseph <[EMAIL PROTECTED]> wrote:
> What should I look for in a file to determine whether or not it is a
> MS Word file or an Excel file or a PDF file, etc., etc.? including Zip
> files
>
> I don`t want to check for file extension.
> os.path.splitext('Filename.jpg') will produce a tuple of filename and
> extension, but some file don`t even have extension and can still be read by
> MS Word or NotePad. i want to be 100% sure of the file.
You could use the mimetypes module...
<<< import mimetypes
<<< mimetypes.guess_type("LegalNotices.pdf")
>>> ('application/pdf', None)
-mike
--
Michael E. Crute
http://mike.crute.org
God put me on this earth to accomplish a certain number of things.
Right now I am so far behind that I will never die. --Bill Watterson
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